DE69502452D1 - Fuel rod spacers with flags for flow deflection - Google Patents

Fuel rod spacers with flags for flow deflection

Info

Publication number
DE69502452D1
DE69502452D1 DE69502452T DE69502452T DE69502452D1 DE 69502452 D1 DE69502452 D1 DE 69502452D1 DE 69502452 T DE69502452 T DE 69502452T DE 69502452 T DE69502452 T DE 69502452T DE 69502452 D1 DE69502452 D1 DE 69502452D1
Authority
DE
Germany
Prior art keywords
flags
fuel rod
flow deflection
rod spacers
spacers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69502452T
Other languages
German (de)
Other versions
DE69502452T2 (en
Inventor
Eric Bertil Johansson
Bruce Matzner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of DE69502452D1 publication Critical patent/DE69502452D1/en
Application granted granted Critical
Publication of DE69502452T2 publication Critical patent/DE69502452T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/34—Spacer grids
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/322—Means to influence the coolant flow through or around the bundles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
DE69502452T 1994-08-12 1995-07-13 Fuel rod spacers with flags for flow deflection Expired - Fee Related DE69502452T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/289,609 US5526387A (en) 1994-08-12 1994-08-12 Flow tabs for a fuel rod bundle spacer

Publications (2)

Publication Number Publication Date
DE69502452D1 true DE69502452D1 (en) 1998-06-18
DE69502452T2 DE69502452T2 (en) 1998-12-17

Family

ID=23112281

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69502452T Expired - Fee Related DE69502452T2 (en) 1994-08-12 1995-07-13 Fuel rod spacers with flags for flow deflection

Country Status (5)

Country Link
US (1) US5526387A (en)
EP (1) EP0696805B1 (en)
JP (1) JPH08179072A (en)
DE (1) DE69502452T2 (en)
ES (1) ES2116684T3 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5675621A (en) 1995-08-17 1997-10-07 General Electric Company Reduced height flat spring spacer for nuclear fuel rods
US5757874A (en) * 1996-07-10 1998-05-26 General Electric Company Multi-spring strip spacer for nuclear fuel bundles
US5815545A (en) * 1997-02-19 1998-09-29 General Electric Company Nuclear fuel assembly spacer and spring
DE29907610U1 (en) * 1999-04-29 1999-07-29 Siemens Ag Light water reactor fuel assembly with a spacer and an inwardly curved flag sitting on the upper edge of an edge web of the spacer
DE10107037A1 (en) 2001-02-15 2002-09-19 Framatome Anp Gmbh fuel element
US7421056B2 (en) * 2002-03-14 2008-09-02 Areva Np Gmbh Fuel assembly for a boiling water reactor
AU2003902189A0 (en) * 2003-05-07 2003-05-22 Extreme Machining Australia Pty Ltd Seal for a roller assembly
US8374308B2 (en) * 2005-01-11 2013-02-12 Westinghouse Electric Company Llc Helically fluted tubular fuel rod support
US20100322371A1 (en) 2005-01-11 2010-12-23 Westinghouse Electric Company Llc Optimized flower tubes and optimized advanced grid configurations
US8116423B2 (en) 2007-12-26 2012-02-14 Thorium Power, Inc. Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly
CN101911211B (en) 2007-12-26 2014-02-12 钍能源股份有限公司 Nuclear reactor (variants), fuel assembly consisting of driver-breeding modules for nuclear reactor (variants) and fuel cell for fuel assembly
AU2008365658B2 (en) 2008-12-25 2015-05-21 Thorium Power Inc. Fuel assembly for a light-water nuclear reactor (embodiments), light-water nuclear reactor and fuel element of the fuel assembly
US8358733B2 (en) * 2009-08-10 2013-01-22 Westinghouse Electric Company Llc Helically fluted tubular fuel rod support
US10170207B2 (en) 2013-05-10 2019-01-01 Thorium Power, Inc. Fuel assembly
US10192644B2 (en) 2010-05-11 2019-01-29 Lightbridge Corporation Fuel assembly
WO2011143172A1 (en) 2010-05-11 2011-11-17 Thorium Power, Inc. Fuel assembly with metal fuel alloy kernel and method of manufacturing thereof
CN110990158B (en) * 2019-12-12 2023-03-21 北京科技大学 Parallelization processing method for performance of reactor fuel element

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663367A (en) * 1969-12-31 1972-05-16 Combustion Eng Flow deflector for nuclear fuel element assemblies
US4058945A (en) * 1974-04-04 1977-11-22 Knapp Ronald H Pressure and buckling resisting undulated polyhedral shell structure
US4192717A (en) * 1974-12-06 1980-03-11 Siempelkamp Giesserei Kg Cover for a nuclear reactor pressure vessel
US4124447A (en) * 1974-12-06 1978-11-07 Siempelkamp Giesserei Kg Pressure vessel for nuclear reactor
US4039379A (en) * 1975-02-28 1977-08-02 Exxon Nuclear Company, Inc. Mixing vane grid spacer
JPS6028867Y2 (en) * 1976-11-08 1985-09-02 工業技術院長 Wall structure of high temperature gas storage chamber
US4544522A (en) * 1982-08-20 1985-10-01 General Electric Company Nuclear fuel assembly spacer
US4508679A (en) * 1982-08-20 1985-04-02 General Electric Company Nuclear fuel assembly spacer
US4585615A (en) * 1983-03-09 1986-04-29 Westinghouse Electric Corp. Nuclear fuel spacer grid with improved grid straps
US4585616A (en) * 1983-03-09 1986-04-29 Westinghouse Electric Corp. Nuclear fuel spacer grid with improved outer straps
DE3330850A1 (en) * 1983-08-26 1985-03-14 Kraftwerk Union AG, 4330 Mülheim CORE REACTOR FUEL ELEMENT
US4692302A (en) * 1983-12-30 1987-09-08 Westinghouse Electric Corp. Coolant flow mixer grid for a nuclear reactor fuel assembly
US4702881A (en) * 1985-04-02 1987-10-27 Westinghouse Electric Corp. Nuclear reactor spacer grid
DE3519421C2 (en) * 1985-05-30 1993-12-09 Siemens Ag Nuclear reactor fuel element
US4726926A (en) * 1986-03-12 1988-02-23 Advanced Nuclear Fuels Corporation Mixing grid
US4698204A (en) * 1986-09-17 1987-10-06 Westinghouse Electric Corp. Intermediate flow mixing nonsupport grid for BWR fuel assembly
US4762669A (en) * 1987-05-13 1988-08-09 Westinghouse Electric Corp. Nuclear reactor core containing fuel assemblies positioned adjacent core baffle structure having annular anti-vibration grids
US4879090A (en) * 1987-08-24 1989-11-07 Combustion Engineering, Inc. Split vaned nuclear fuel assembly grid
SE464995B (en) * 1989-11-14 1991-07-08 Asea Atom Ab BRAINSLEPATRON FOR A COOKAR REACTOR
US4999153A (en) * 1990-03-21 1991-03-12 General Electric Company Flow tripper in combination with spacer deflector
FR2666678B1 (en) * 1990-07-24 1993-07-30 Framatome Sa GRILLE WITH MIXING FINS FOR NUCLEAR FUEL ASSEMBLY.
US5209899A (en) * 1990-10-25 1993-05-11 General Electric Company Composite spacer with inconel grid and zircaloy band
US5089221A (en) * 1990-10-25 1992-02-18 General Electric Company Composite spacer with Inconel grid and Zircaloy band
US5186891A (en) * 1991-05-17 1993-02-16 General Electric Company Swirl vanes in inconel spacer
US5327470A (en) * 1992-02-07 1994-07-05 General Electric Company Spacer with steam separator
DE9303692U1 (en) * 1993-03-12 1993-05-19 Siemens Ag, 8000 Muenchen, De

Also Published As

Publication number Publication date
EP0696805B1 (en) 1998-05-13
ES2116684T3 (en) 1998-07-16
US5526387A (en) 1996-06-11
EP0696805A1 (en) 1996-02-14
DE69502452T2 (en) 1998-12-17
JPH08179072A (en) 1996-07-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee